JPS6054405A - 磁性体粉末の処理方法 - Google Patents

磁性体粉末の処理方法

Info

Publication number
JPS6054405A
JPS6054405A JP58162579A JP16257983A JPS6054405A JP S6054405 A JPS6054405 A JP S6054405A JP 58162579 A JP58162579 A JP 58162579A JP 16257983 A JP16257983 A JP 16257983A JP S6054405 A JPS6054405 A JP S6054405A
Authority
JP
Japan
Prior art keywords
magnetic
magnetic powder
powder
plasma
treatment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP58162579A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0510805B2 (https=
Inventor
Minoru Hashimoto
稔 橋本
Tatsumi Maeda
前田　辰己
Masahiro Fukazawa
深沢　昌広
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp filed Critical Toshiba Corp
Priority to JP58162579A priority Critical patent/JPS6054405A/ja
Publication of JPS6054405A publication Critical patent/JPS6054405A/ja
Publication of JPH0510805B2 publication Critical patent/JPH0510805B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
    • H01F1/113—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles in a bonding agent

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Powder Metallurgy (AREA)
JP58162579A 1983-09-06 1983-09-06 磁性体粉末の処理方法 Granted JPS6054405A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58162579A JPS6054405A (ja) 1983-09-06 1983-09-06 磁性体粉末の処理方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58162579A JPS6054405A (ja) 1983-09-06 1983-09-06 磁性体粉末の処理方法

Publications (2)

Publication Number Publication Date
JPS6054405A true JPS6054405A (ja) 1985-03-28
JPH0510805B2 JPH0510805B2 (https=) 1993-02-10

Family

ID=15757265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58162579A Granted JPS6054405A (ja) 1983-09-06 1983-09-06 磁性体粉末の処理方法

Country Status (1)

Country Link
JP (1) JPS6054405A (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009084125A (ja) * 2007-10-02 2009-04-23 Tdk Corp フェライト粉末の製造方法、フェライト粉末及び磁気記録媒体
JP2012160486A (ja) * 2010-01-21 2012-08-23 Fujifilm Corp 磁性粒子およびその製造方法、ならびに磁気記録媒体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176703A (en) * 1981-04-23 1982-10-30 Toshiba Corp Plasma treated magnetic powder
JPS58100601A (ja) * 1981-12-09 1983-06-15 Japan Synthetic Rubber Co Ltd 被覆超微粒子またはその膜並びに形成方法及び装置
JPS58221203A (ja) * 1982-06-18 1983-12-22 Tdk Corp 分散性を改良した磁性粉
JPS58222503A (ja) * 1982-06-18 1983-12-24 Tdk Corp 分散性を改良した磁性粉

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57176703A (en) * 1981-04-23 1982-10-30 Toshiba Corp Plasma treated magnetic powder
JPS58100601A (ja) * 1981-12-09 1983-06-15 Japan Synthetic Rubber Co Ltd 被覆超微粒子またはその膜並びに形成方法及び装置
JPS58221203A (ja) * 1982-06-18 1983-12-22 Tdk Corp 分散性を改良した磁性粉
JPS58222503A (ja) * 1982-06-18 1983-12-24 Tdk Corp 分散性を改良した磁性粉

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009084125A (ja) * 2007-10-02 2009-04-23 Tdk Corp フェライト粉末の製造方法、フェライト粉末及び磁気記録媒体
JP2012160486A (ja) * 2010-01-21 2012-08-23 Fujifilm Corp 磁性粒子およびその製造方法、ならびに磁気記録媒体

Also Published As

Publication number Publication date
JPH0510805B2 (https=) 1993-02-10

Similar Documents

Publication Publication Date Title
US3865627A (en) Magnetic recording medium incorporating fine acicular iron-based particles
JPS6054405A (ja) 磁性体粉末の処理方法
JPH0520676A (ja) 強磁性金属微粒子
JPH07153074A (ja) 磁気記録媒体の製造方法
JP2632943B2 (ja) 磁気記録媒体
JP3041912B2 (ja) 金属磁性粉末
US4310349A (en) Highly orientable iron particles
JP3242102B2 (ja) 磁性粉末とその製造方法
JP3171223B2 (ja) 針状磁性粒子粉末の製造法
JPH08153613A (ja) 金属磁性粉末の安定化方法
JP2924929B2 (ja) 磁性塗料用材料の製造法
JP2970699B2 (ja) 針状磁性酸化鉄粒子粉末の製造法
JPS6318978B2 (https=)
JPS5854485B2 (ja) 金属磁性粉末と処理方法
JPS6116024A (ja) 磁気記録媒体
JPS60121518A (ja) 磁気記録媒体
JPS60121517A (ja) 磁気記録媒体
JPH04210403A (ja) 針状合金磁性粉末及びこれを用いた磁気記録媒体
JPS58126907A (ja) 鉄又は鉄を主成分とする磁性金属粉末の製造方法
JPS5968817A (ja) 磁気記録媒体
JPH01239820A (ja) Ｃｏ被着磁性酸化鉄粉末およびそれを用いた磁気記録媒体
JPS6238532A (ja) 磁気記録媒体
JPH01239817A (ja) 強磁性金属粉末およびその製造方法ならびにこの強磁性金属粉末を用いた磁気記録媒体
JPS6187302A (ja) 磁気記録媒体の製法
JPH01298106A (ja) 強磁性鉄紛の製造法